Observations of TeV photons at the Whipple Observatory

Bibcode
1991AIPC..220...47L
DOI
10.1063/1.40323
Lamb, R. C.; Akerlof, C. W.; Cawley, M. F.; Colombo, E.; Fegan, D. J.; Hillas, A. M.; Kwok, P. W.; Lang, M. J.; Lewis, D. A.; Macomb, D. J.
Bibliographical reference

In: High energy gamma-ray astronomy; Proceedings of the International Conference, Ann Arbor, MI, Oct. 2-5, 1990 (A93-25001 08-93), p. 47-64.

Advertised on:
0
1991
Number of authors
10
IAC number of authors
0
Citations
8
Refereed citations
6
Description
The Whipple Observatory 10 m gamma-ray telescope has been used to search for TeV gamma-ray emission from a number of objects. This paper reports observations of six galactic and three extragalactic objects using the Cherenkov image technique. With the introduction of a high-resolution camera in 1988, the Crab Nebula was detected at a significance level of 20 sigma in 30 hours of on-source observation. Upper limits at a fraction of the Crab flux are set for most of the other objects, based on the absence of any significant dc excess or periodic effect when an a priori Monte Carlo determined imaging selection criterion is employed. There are weak indications that one source, Hercules X-1, may be an episodic emitter.
Type
Non-refereed
Galactic cosmic rays
Gamma ray telescopes

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